The drive is a three-level voltage DC-link drive.
ཱ
ི
ཱི
ʪ
ʪ
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ུ
ཱུ
ྲྀ
ཷ
①
Line-side voltage converter
5
DC link with dry-type capacitors
②
Circuit-breaker
6
Motor Module (3-level inverter) with IGBT
③
Drive transformer
7
Motor-side voltage/current transformers
④
Active Line Module (3-level inverter with
IGBT)
8
High-voltage motor
Figure 3-1
Design of the power unit
Description
3.3 Design
SINAMICS SM150 6SL3815-7NP41-0AA1
30
Operating Instructions Rev.201910281301 EXAMPLE